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15 lines
768 B
Plaintext
15 lines
768 B
Plaintext
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The DjVu Reference Library does not contain the entire implementation of
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the DjVu system. While it contains the entire decoder, and a big
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piece of the encoder, it does not contain the sophisticated encoding
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strategies necessary for reaching the highest compression ratios.
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Among other things, The DjVu Reference Library contains the full DjVu
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decoder, the full IW44 wavelet encoder/decoder for continuous tone
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images, and the back-end of JB2 bilevel image compression technique.
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However, it does not contain the code for separating document images
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into foreground and background layers, nor does it contain the code of
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the lossy JB2 scheme that achieves the highest compression ratios on
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bitonal images.
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WWW: http://www.djvu.com/
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